[Exim] restricting AUTH Plain/Login to TLS connections

Hi there,

is it possible to do restrict the AUTH Plain/Login mechanism to TLS
encrypted connections?

The reason is that it should not work to use insecure SMTP-auth without
starttls.

Sven

--
"If you continue running Windows, your system may become unstable."
(Windows 95 BSOD)

/me is giggls@ircnet, http://sven.gegg.us/ on the Web